Yes, it's hot outside, but the Potomac River is really not a good place to go swimming

As if we needed another reason to avoid swimming in the Potomac River, now we have to be afraid of…sharks?

Willy Dean has an incredible fish tale to tell. On Tuesday, he caught a shark while on the Potomac River in St. Mary’s County, Md.

Don’t believe him? He has the pictures to prove it.

Dean put out a net Monday at Cornfield Harbor in the Potomac three miles north of Point Lookout with hopes of catching cow-nosed rays for a Solomons Island Marina biologist. When he checked Monday night everything seemed normal. But when he checked again Tuesday morning, he made a startling discovery.

In the net was an 8-foot-long shark. He said it was a bull shark. According to National Geographic, experts consider them to be “the most dangerous sharks in the world.”

Unanswered: Whether the shark was a male that laid eggs.